<?php

session_start();

function ismobile() {
	$_SESSION['ismobile'] = "1";
	$is_mobile = '0';
	$is_mobile_boolean = false;

	if(preg_match('/(android|up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone)/i', strtolower($_SERVER['HTTP_USER_AGENT']))) {
		//$is_mobile=1;
		//$is_mobile_boolean = true;
		$_SESSION['ismobile'] = "2";
		return true;
	}

	if((strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml')>0) or ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_SERVER['HTTP_PROFILE'])))) {
		//$is_mobile=1;
		//$is_mobile_boolean = true;
		$_SESSION['ismobile'] = "3";
		return true;
	}

	$mobile_ua = strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,4));
	$mobile_agents = array('w3c ','acs-','alav','alca','amoi','andr','audi','avan','benq','bird','blac','blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno','ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-','maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-','newt','noki','oper','palm','pana','pant','phil','play','port','prox','qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar','sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-','tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp','wapr','webc','winw','winw','xda','xda-');

	if(in_array($mobile_ua, $mobile_agents)) {
		//$is_mobile=1;
		//$is_mobile_boolean = true;
		$_SESSION['ismobile'] = "4";
		return true;
	}

	if (isset($_SERVER['ALL_HTTP'])) {
		if (strpos(strtolower($_SERVER['ALL_HTTP']),'OperaMini')>0) {
			//$is_mobile=1;
			//$is_mobile_boolean = true;
			$_SESSION['ismobile'] = "5";
			return true;
		}
	}

	if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']),'windows')>0) {
		//$is_mobile=0;
		//$is_mobile_boolean = false;
		$_SESSION['ismobile'] = "6";
		return false;
	}
	
	//return $is_mobile;
	//return $is_mobile_boolean;
}

?>